14205979 has 2 divisors, whose sum is σ = 14205980. Its totient is φ = 14205978.

The previous prime is 14205959. The next prime is 14205991. The reversal of 14205979 is 97950241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14205979 is a prime.

It is not a weakly prime, because it can be changed into another prime (14205949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7102989 + 7102990.

It is an arithmetic number, because the mean of its divisors is an integer number (7102990).

Almost surely, 2^14205979 is an apocalyptic number.

14205979 is a deficient number, since it is larger than the sum of its proper divisors (1).

14205979 is an equidigital number, since it uses as much as digits as its factorization.

14205979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 14205979 is about 3769.0819837196. The cubic root of 14205979 is about 242.1904734064.

The spelling of 14205979 in words is "fourteen million, two hundred five thousand, nine hundred seventy-nine".